Martin Jahn, Andreas Stelzer,
"A 120 GHz FMCW radar frontend demonstrator based on a SiGe chipset"
, in International Journal of Microwave and Wireless Technologies, Vol. 4, Nummer 3, Seite(n) 309 - 315, 6-2012
A 120 GHz FMCW radar frontend demonstrator based on a SiGe chipset
Sprache des Titels:
This paper presents a frequency-modulated continuous-wave (FMCW) radar operating at 120 GHz, which features silicon?germanium (SiGe) chips that employ HBTs with 320 GHz fmax. The chipset comprises a fundamental-wave signal-generation chip with a voltage-controlled oscillator (VCO) that provides frequencies between 114 and 130 GHz and a corresponding dual?transceiver (TRX) chip that supports monostatic and quasi-monostatic radar configurations. The cascode amplifiers used in the TRX chip were characterized in separate test chips and yielded peak small-signal gains of approximately 15 dB. Finally, a quasi-monostatic two-channel FMCW radar frontend with on-board differential microstrip antennas was built on an RF substrate. FMCW radar measurements with frequency chirps from 116 to 123 GHz verified the functionality of the designed radar sensor.
Sprache der Kurzfassung:
International Journal of Microwave and Wireless Technologies